List of web browsers with an unknown development status

Updated at: May 28, 2026

We don't currently know what the developmental status is for these web browsers. We either haven't gathered it yet, or haven't been able to determine if the browser is still being actively developed, or if the project has been abandoned or discontinued. If you know, please tell us.

Browser Name	Rendering Engine	Timeline	Device Type	Operating Systems	Status
1X	Custom	Unknown	Desktop	Windows
Adapt	Unknown	Unknown	Desktop	Windows
Argus Browser	Unknown	2026 →	Desktop	macOS
ArtisBrowser	Unknown	2011 - 2025	Desktop & Mobile	Android, iOS, macOS, Windows
Avast Secure Browser	Chromium	2016 →	Desktop & Mobile	Android, iOS, macOS, Windows
AVG Secure Browser	Chromium	2018 →	Desktop & Mobile	Android, macOS, Windows
Axonium	WebKit	2026 →	Desktop	macOS
Baidu Browser	Multiple	2011 →	Desktop & Mobile	Android, Windows
Beacon Web Browser	Chromium	2021 →	Desktop & Mobile	iOS, macOS, Windows
BrowserJet	Chromium	Unknown	Desktop	macOS, Windows
Broz	Electron	2021 →	Desktop	Linux, macOS, Windows
Catalyst	Electron	2021 →	Desktop	Linux, macOS, Windows
Catsxp	Chromium	2020 →	Desktop	Windows
CentBrowser	Chromium	2015 →	Desktop	Windows
Chawan	Text Mode	Unknown	Desktop	Linux
Click Browser	WebKit	2026 →	Desktop	macOS
CoC CoC	Chromium	2013 →	Desktop & Mobile	Android, iOS, Linux, macOS, Windows
Comodo Dragon	Chromium	2010 →	Desktop	Windows
Cronos	Unknown	Unknown	Desktop & Mobile	iOS, Windows
Decentr	Chromium	2021 →	Desktop & Mobile	Android, iOS, Linux, macOS, Windows
Dezor	Chromium	2022 →	Desktop & Mobile	Android, Linux, Windows, FireOS
Ecosia	Chromium	2009 →	Desktop & Mobile	Android, iOS, macOS, Windows
Edgescape Navigator	Chromium	2025 →	Desktop	Windows
Elector	Electron	2015 →	Desktop	Linux, macOS, Windows
Firefox Lite Formerly Firefox Rocket	Unknown	2017 - 2019
Flow	Electron	2025 →	Desktop	Linux, macOS, Windows
Flow Browser	Custom	Unknown	Desktop & Mobile	Android, Linux, macOS, Windows, Raspberry Pi
Freedom	Unknown	Unknown	Desktop & Mobile	Android, iOS, macOS, Windows
Genspark AI Browser	Unknown	2023 →	Desktop	macOS, Windows
Ghost Browser	Unknown	Unknown	Desktop	Linux, macOS, Windows
Guardian Browser	Unknown	Unknown	Desktop	macOS, Windows
Hermit	Chromium	2022 →	Mobile	Android
Herond	Chromium	2023 →	Desktop & Mobile	Android, iOS, macOS, Windows
Hola browser	Chromium	Unknown	Desktop & Mobile	Android, iOS, macOS, Windows
JioSphere	Chromium	Unknown	Desktop & Mobile	Android, iOS, Linux, macOS, Windows
Konqueror	QtWebEngine	2000 →	Desktop	BSD, Linux
Kristall Small-Internet Browser	Custom	2020 - 2024	Desktop	BSD, Linux, Windows, OS X, Haiku
Lemur	Chromium	2022 - 2024	Mobile	Android, iOS
Linken Sphere	Unknown	2017 →	Desktop	macOS, Windows
Lobo Evolution	Custom	2019 →	Desktop	Misc Desktop OS
LT Browser	Unknown	2020 →	Desktop	Linux, macOS, Windows
Lunascape	Multiple	2001 - 2024	Desktop & Mobile	Android, iOS, macOS, Windows
Maxthon	Chromium	2002 →	Desktop & Mobile	Android, iOS, Linux, macOS, Windows
Mi Browser Pro	Chromium	Unknown	Mobile	Android
Mirror	WebKit	2022 →	Desktop	macOS
Muffon	Electron	2020 →	Desktop	Linux, macOS, Windows
Mulch	Chromium	2021 →	Mobile	Android
MultiZen	Electron	2023 →	Desktop	Linux, macOS, Windows
Myriad	WebKit	? - 2008
Naver Whale	Chromium	Unknown	Desktop & Mobile	Android, iOS, Windows
NetClue	Unknown	Unknown	Desktop	Java Platform
NetFront	Unknown	1995 →	Mobile	Misc Mobile OS
Netrik	Text Mode	Unknown
Norton Private Browser	Chromium	Unknown	Desktop & Mobile	Android, iOS, macOS, Windows
Onion Browser	WebKit	2012 →	Mobile	iOS
Opera Air	Chromium	2025 →	Desktop	macOS, Windows
Opera GX	Chromium	2019 →	Desktop & Mobile	Android, iOS, Linux, macOS, Windows
Oregan	Unknown	Unknown	Game Console	Game Console
PeerSky Browser	Electron	2023 →	Desktop	Linux, macOS, Windows
PlayStation Vita Browser	Unknown	Unknown	Game Console	Game Console
PocketWeb Formerly NewtonWWW	Unknown	Unknown	Mobile	Apple Newton
Poshuku	Multiple	Unknown	Desktop	BSD, Linux
Puffin Cloud Browser	WebKit	2010 - 2021	Mobile	iOS
Puma Browser	Unknown	Unknown	Mobile	Android, iOS
QQ Browser	Chromium	2021 →	Desktop & Mobile	Android, iOS, macOS, Windows
Quetta	Chromium	2024 →	Mobile	Android, iOS
ReqwirelessWeb WebViewer	ReqwirelessWeb	Unknown	Mobile	Java Platform, Micro Edition
Responsively	Electron	2019 →	Desktop	Linux, macOS, Windows
Roccat	WebKit	2004 →	Desktop & Mobile	iOS, macOS
Samsung Internet	Chromium	2013 →	Desktop	Windows
Sandcat	Chromium	2014 - 2023	Desktop	Windows
Santa	Chromium	2022 →	Desktop & Mobile	Android, macOS, Windows
Seznam	Electron	Unknown	Desktop & Mobile	Android, iOS, macOS, Windows
Sharp Browser	CefSharp	2016 →	Desktop	Windows
Shift Browser	Unknown	Unknown	Desktop	macOS, Windows
sielo	Unknown	2016 - 2019	Desktop	Linux, macOS, Windows
Sigma Browser	Chromium	2024 →	Desktop & Mobile	Android, iOS, macOS, Windows
SigmaOS	WebKit	2021 →	Desktop	macOS
Sizzy	Electron	Unknown	Desktop	macOS
Sleipnir	Chromium	2004 - 2025	Desktop & Mobile	Android, iOS, macOS, Windows
SlimJet	Chromium	2010 - 2023	Desktop	Linux, macOS, Windows
Sogou Explorer	Unknown	Unknown	Desktop	Windows
Soul Browser	Chromium	Unknown	Mobile	Android
SpiderWoman	Custom	Unknown	Desktop	NeXTSTEP
Spyglass Mosaic	Unknown	Unknown
SRWare Iron	Chromium	2008 →	Desktop	Linux, macOS, Windows
Stack Browser	Chromium	2019 →	Desktop	macOS, Windows
Tiny Browser	Unknown	Unknown	Mobile	Android
Twinkstar Browser	Unknown	Unknown	Desktop & Mobile	Android, macOS, Windows
UC Browser	Unknown	Unknown	Desktop & Mobile	Android, iOS, Windows, Symbian
Ultimatum Browser	Chromium	2021 →	Mobile	Android
Ultralight WebBrowser	Ultralight	2025 →	Desktop	Linux, macOS, Windows
Undetectable	Unknown	Unknown	Desktop	macOS, Windows
UR	Chromium	2016 →	Desktop	macOS, Windows
Vanadium	Chromium	2019 →	Desktop	Misc Desktop OS
Vimb	Unknown	2012 →	Desktop	Linux
Vision Mobile Browser Formerly nWeb	Unknown	2002 - 2009	Mobile	Misc Mobile OS
visurf	Unknown	Unknown	Desktop	BSD, Linux
Voyager (Amiga)	Custom	1999 - 2002	Desktop	Amiga OS
Wavebox	Chromium	2017 →	Desktop	Linux, macOS, Windows
WebSM	WebView2	2022 →	Desktop	Linux, Windows
WebsterXL	Unknown	Unknown	Desktop	Amiga OS
Wen Suite III	Unknown	? - 2004	Desktop	Atari
WinWeb	Unknown	Unknown	Desktop	Windows
XDP Dreams	Unknown	Unknown	Game Console	Game Console
Xiino	Unknown	Unknown	Mobile	Palm OS
Xvast	Chromium	2004 →	Desktop & Mobile	Android, iOS, macOS, Windows
Y8	Unknown	Unknown	Desktop	Linux, macOS, Windows
360 Extreme Browser	Chromium	Unknown	Desktop	macOS, Windows
360 Secure Browser Also known as 360 Safe Browser	Chromium	Unknown	Desktop	macOS, Windows